CN105715552A - Centrifugal sewage pump impeller with adjustable impeller blades - Google Patents
Centrifugal sewage pump impeller with adjustable impeller blades Download PDFInfo
- Publication number
- CN105715552A CN105715552A CN201610224313.4A CN201610224313A CN105715552A CN 105715552 A CN105715552 A CN 105715552A CN 201610224313 A CN201610224313 A CN 201610224313A CN 105715552 A CN105715552 A CN 105715552A
- Authority
- CN
- China
- Prior art keywords
- impeller blade
- cover plate
- impeller
- upper cover
- fixing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a centrifugal sewage pump impeller with adjustable impeller blades. The centrifugal sewage pump impeller comprises an upper cover plate, a plurality of impeller blades and a lower cover plate, wherein the upper cover plate is located at the upper end of the impeller; the impeller blades are located at the lower end of the upper cover plate, are in threaded connection with the upper cover plate, and are vertical to the upper cover plate; and the lower cover plate is located at the lower ends of the impeller blades and is in threaded connection with the impeller blades. Compared with the prior art, according to the centrifugal sewage pump impeller with adjustable impeller blades, large-scale production of the adjustable impeller blades is facilitated, and additional development of new products is not needed for water pumps with different lifts, thus saving research and development expenses and lowering cost; and furthermore, metal bodies are arranged in the impeller blades, so that the mechanical strength of the impeller blades is greatly enhanced while the corrosion resisting function is achieved, and therefore, the product reliability is improved, and the service life of the product is prolonged.
Description
Technical field
The present invention relates to a kind of centrifugal dirty water pump impeller, particularly relate to a kind of adjustable centrifugal dirty water pump impeller of impeller blade.
Background technology
Water pump is conveying liquid or the machinery making fluid pressurization.It sends mechanical energy or other external energies of prime mover to liquid, liquid energy is made to increase, it is mainly used to carry liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid metal etc., it is possible to conveying liquid, admixture of gas and the liquid containing suspended solids.The types such as volume water pump, vane pump can be divided into according to different operation principles.Displacement pump is that the change utilizing its swept volume of a single chamber is to transmit energy；Vane pump is to utilize the rotary vane interaction with water to transmit energy, has the types such as centrifugal pump, axial-flow pump and mixed-flow pump.
Sewage pump belongs to the one of centrifugal pump, the same with other pump, impeller, pumping chamber, it is two big core components of sewage pump, the quality of its performance, also the quality of pump performance is just represented, the performance of anti-blockage of sewage pump, the height of efficiency, and cavitation performance, anti-erosion performance is mainly ensured by impeller and the big parts of pumping chamber two, and the technical parameter weighing pump performance has flow, inhale journey, lift, shaft power, water-horse power, efficiency etc., the performance of impeller directly affects pump performance, in use for actual sewage pump, need to adapt to the different sewage pumps using environments to research and develop different lift, it is accomplished by when needing the sewage pump of multiple lift developing multiple different sewage pump, relatively costly, for this problem, it is necessary to develop a kind of adjustable sewage pump of impeller to solve the problems referred to above.
Summary of the invention
The technical problem to be solved is in that: provide a kind of adjustable centrifugal dirty water pump impeller of impeller blade, solves at present according to the difference using environment, it is necessary to developing the sewage pump of multiple different lift, lift cannot regulate, the problem that manufacturing cost is high.
For solving above-mentioned technical problem, the technical scheme is that a kind of adjustable centrifugal dirty water pump impeller of impeller blade, including upper cover plate, impeller blade several and lower cover, described upper cover plate is positioned at the upper end of impeller, upper cover plate is provided with a round boss, described boss center is provided with manhole, a vertical square groove it is additionally provided with for connecting the motor driving shaft of water pump inside boss, described square groove is positioned on the inwall of manhole, described upper cover plate is additionally provided with some fixing holes, there is in described fixing hole a step surface, fixed hole position in step surface upper end Circularhole diameter more than its lower end Circularhole diameter, described impeller blade is positioned at the lower end of upper cover plate, impeller blade is connected with upper cover plate screw thread, impeller blade and upper cover plate are mutually perpendicular to, the upper surface of impeller blade and the lower surface of upper cover plate closely against, impeller blade is the flat parts of arc-shaped, the top and bottom of impeller blade are equipped with two screwed holes aligned with upper cover plate fixing hole, the fixing hole spacing that described fixing hole is distributed on the circular arc line direction of impeller blade and in same round wire is identical, impeller blade can select adjacent two fixing hole on same circular arc line to be fixed, fixing hole on each bar circular arc line is distributed in the surrounding of upper cover plate, described lower cover is positioned at the lower end of impeller blade, lower cover is connected with impeller blade screw thread, the upper surface of lower cover and the lower surface of impeller blade closely against, lower cover is provided with and is relatively fixed hole with upper cover plate, lower cover and upper cover plate consistency from top to bottom.
The present invention further improves as follows:
Further, described impeller blade is provided with leads hypotenuse limit on its inside, described in lead the inner side of hypotenuse and be provided with fillet so that the end face inside it can reduce the resistance to current when impeller runs.
Further, described impeller blade also includes metal body and is coated on the plastic layer of its outer surface, and described metal body is for increasing the mechanical strength of impeller blade, and described plastic layer is for preventing metal body to be subject to the corrosion of sewage with sewage isolation metal body.
Further, the screwed hole of described impeller blade is positioned on metal body and runs through plastic layer, and the screwed hole on metal body can ensure that impeller blade being reliably connected respectively and between upper cover plate and lower cover.
Further, described upper cover plate is additionally provided with end socket and capping, described end socket for block be positioned at upper cover plate and lower cover be not used for the fixing hole that impeller blade is fixing, end socket has the shape corresponding with fixing hole, end socket and fixing hole closely against, capping is positioned at fixing hole inside and for blocking the threaded fastener being positioned at upper cover plate and lower cover, threaded fastener is avoided to be subject to the corrosion of sewage, capping with fixing hole closely against, end socket is concordant with the upper surface of upper cover plate with the upper surface of capping, and end socket is concordant with the lower surface of lower cover with the lower surface of capping.
Further, each described impeller blade with the central shaft of upper cover plate apart from identical.
Compared with prior art, the adjustable centrifugal dirty water pump impeller of this impeller blade, can according to different practical situations, the distance realizing impeller blade and impeller middle spindle by regulating the installation site of impeller blade regulates, it is achieved thereby that adjustment pump head, additionally this adjustable impeller blade, be conducive to producing in enormous quantities, new product need not additionally be researched and developed by water pump for different lift demands, having only to when assembling specifies the installation site of impeller blade to realize according to different specification requirements, eliminate R & D Cost, reduce cost, additionally inside this impeller blade, there is metal body, the mechanical strength of impeller blade it has been greatly reinforced while realizing anti-corrosion function, thus improve the reliability of product and adding its service life.
Accompanying drawing explanation
Fig. 1 illustrates exploded perspective view of the present invention
Fig. 2 illustrates top view of the present invention
Fig. 3 illustrates impeller blade sectional view of the present invention
Fig. 4 illustrates three-dimensional view of the present invention
Upper cover plate 1, impeller blade 2, lower cover 3, boss 11, manhole 12, square groove 13, fixing hole 14, step surface 15, screwed hole 21, lead hypotenuse 22, fillet 23, metal body 24, plastic layer 25, end socket 16, capping 17
Detailed description of the invention
As shown in Figures 1 to 4, a kind of adjustable centrifugal dirty water pump impeller of impeller blade, including upper cover plate 1, 6 impeller blades 2 and lower cover 3, described upper cover plate 1 is positioned at the upper end of impeller, upper cover plate 1 is provided with a round boss 11, described boss 11 center is provided with manhole 12, boss 11 is internal is additionally provided with a vertical square groove 13 for connecting the motor driving shaft of water pump, described square groove 13 is positioned on the inwall of manhole 12, described upper cover plate 1 is additionally provided with 24 fixing holes 14, there is in described fixing hole 14 step surface 15, fixing hole 14 is positioned at the Circularhole diameter of step surface 15 upper end more than its lower end Circularhole diameter, described impeller blade 2 is positioned at the lower end of upper cover plate 1, impeller blade 2 is connected with upper cover plate 1 screw thread, impeller blade 2 and upper cover plate 1 are mutually perpendicular to, the lower surface of the upper surface of impeller blade 2 and upper cover plate 1 closely against, impeller blade 2 is the flat parts of arc-shaped, the top and bottom of impeller blade 2 are equipped with two screwed holes 21 aligned with upper cover plate 1 fixing hole 14, 4 fixing hole 14 spacing that fixing hole 14 is distributed on the circular arc line direction of impeller blade 2 and in same round wire are identical, impeller blade 2 can select adjacent two fixing hole 14 on same circular arc line to be fixed, fixing hole 14 on each bar circular arc line is distributed in the surrounding of upper cover plate 1, each impeller blade 2 with the central shaft of upper cover plate 1 apart from identical, described lower cover 3 is positioned at the lower end of impeller blade 2, lower cover 3 is connected with impeller blade 2 screw thread, the upper surface of lower cover 3 and the lower surface of impeller blade 2 closely against, lower cover 3 is provided with and is relatively fixed hole 14 with upper cover plate 1.
Described impeller blade 2 is provided with leads hypotenuse 22 limit on its inside, described in lead the inner side of hypotenuse 22 and be provided with fillet 23 so that the end face inside it can reduce the resistance to current when impeller runs.
Described impeller blade 2 also includes metal body 24 and is coated on the plastic layer 25 of its outer surface, described metal body 24 is for increasing the mechanical strength of impeller blade 1, and described plastic layer 25 is for isolating, with sewage, the corrosion preventing metal body 24 to be subject to sewage by metal body 24.
The screwed hole 21 of described impeller blade 2 is positioned on metal body 24 and runs through plastic layer 25, and the screwed hole 21 on metal body 24 can ensure that impeller blade 2 being reliably connected respectively and between upper cover plate 1 and lower cover 3.
Described upper cover plate 1 is additionally provided with end socket 16 and capping 17, described end socket 16 for block be positioned at upper cover plate 1 and lower cover 3 be not used for the fixing hole 14 that impeller blade 2 is fixing, end socket 16 has the shape corresponding with fixing hole 14, end socket 16 and fixing hole 14 closely against, capping 17 is positioned at fixing hole 14 inside and for blocking the threaded fastener being positioned at upper cover plate 1 and lower cover 3, threaded fastener is avoided to be subject to the corrosion of sewage, capping 17 with fixing hole 14 closely against, end socket 15 is concordant with the upper surface of upper cover plate 1 with the upper surface of capping 17, end socket 15 is concordant with the lower surface of lower cover 3 with the lower surface of capping 17.
The invention has the beneficial effects as follows, the adjustable centrifugal dirty water pump impeller of this impeller blade, can according to the different installation sites using environment change impeller blade, thus changing its water pump lift, need not additionally research and develop the water pump of different lift, eliminate R & D Cost thus reducing production cost, this blade wheel structure is simple, easy to process, the impeller of separate type is conducive to batch production, the impeller with metal body effectively increases the mechanical strength of impeller, add the reliability of impeller thus improve its service life, additionally it is coated on plastic layer and the end socket on impeller blade surface, capping effectively blocks waste water and corrodes to metal material.
The present invention is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, made all conversion, all falls within protection scope of the present invention.
Claims (10)
1. the adjustable centrifugal dirty water pump impeller of impeller blade, it is characterized in that, including upper cover plate, impeller blade several and lower cover, described upper cover plate is positioned at the upper end of impeller, upper cover plate is provided with a round boss, described boss center is provided with manhole, a vertical square groove it is additionally provided with for connecting the motor driving shaft of water pump inside boss, described square groove is positioned on the inwall of manhole, described upper cover plate is additionally provided with some fixing holes, there is in described fixing hole a step surface, fixed hole position in step surface upper end Circularhole diameter more than its lower end Circularhole diameter, described impeller blade is positioned at the lower end of upper cover plate, impeller blade is connected with upper cover plate screw thread, impeller blade and upper cover plate are mutually perpendicular to, the upper surface of impeller blade and the lower surface of upper cover plate closely against, impeller blade is the flat parts of arc-shaped, the top and bottom of impeller blade are equipped with two screwed holes aligned with upper cover plate fixing hole, the fixing hole spacing that described fixing hole is distributed on the circular arc line direction of impeller blade and in same round wire is identical, impeller blade can select adjacent two fixing hole on same circular arc line to be fixed, fixing hole on each bar circular arc line is distributed in the surrounding of upper cover plate, described lower cover is positioned at the lower end of impeller blade, lower cover is connected with impeller blade screw thread, the upper surface of lower cover and the lower surface of impeller blade closely against, lower cover is provided with and is relatively fixed hole with upper cover plate, lower cover and upper cover plate consistency from top to bottom.
2. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 1, it is characterized in that, described impeller blade is provided with leads hypotenuse limit on its inside, described in lead the inner side of hypotenuse and be provided with fillet so that the end face inside it can reduce the resistance to current when impeller runs.
3. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 2, it is characterized in that, described impeller blade also includes metal body and is coated on the plastic layer of its outer surface, described metal body is for increasing the mechanical strength of impeller blade, and described plastic layer is for preventing metal body to be subject to the corrosion of sewage with sewage isolation metal body.
4. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 3, it is characterized in that, the screwed hole of described impeller blade is positioned on metal body and runs through plastic layer, and the screwed hole on metal body can ensure that impeller blade being reliably connected respectively and between upper cover plate and lower cover.
5. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 4, it is characterized in that, described upper cover plate is additionally provided with end socket and capping, described end socket is positioned at the fixing hole that impeller blade is fixing that is not used for of upper cover plate and lower cover for blocking, and it is internal and for blocking the threaded fastener being positioned at upper cover plate and lower cover that capping is positioned at fixing hole.
6. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 5, it is characterised in that described end socket has a shape corresponding with fixing hole, end socket and fixing hole closely against.
7. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 5, it is characterised in that described capping for avoiding threaded fastener to be subject to the corrosion of sewage, capping and fixing hole closely against.
8. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 6, it is characterised in that described end socket is concordant with the upper surface of upper cover plate with the upper surface of capping.
9. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 7, it is characterised in that described end socket is concordant with the lower surface of lower cover with the lower surface of capping.
10. the adjustable centrifugal dirty water pump impeller of impeller blade as claimed in claim 8, it is characterised in that each described impeller blade with the central shaft of upper cover plate apart from identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224313.4A CN105715552B (en) | 2016-04-12 | 2016-04-12 | A kind of adjustable centrifugal dirty water pump impeller of impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224313.4A CN105715552B (en) | 2016-04-12 | 2016-04-12 | A kind of adjustable centrifugal dirty water pump impeller of impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715552A true CN105715552A (en) | 2016-06-29 |
| CN105715552B CN105715552B (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610224313.4A Active CN105715552B (en) | 2016-04-12 | 2016-04-12 | A kind of adjustable centrifugal dirty water pump impeller of impeller |
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| Country | Link |
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| CN (1) | CN105715552B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648969A (en) * | 2020-06-10 | 2020-09-11 | 湖北众堃科技股份有限公司 | Non-blocking fixed submersible sewage pump |
| CN115539427A (en) * | 2022-10-24 | 2022-12-30 | 中国水产科学研究院渔业机械仪器研究所 | Adjustable fish sucking pump impeller testing device |
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| WO2007131658A1 (en) * | 2006-05-11 | 2007-11-22 | Wilo Ag | Radial centrifugal pump with blades which are variable according to the rotational direction |
| CN103511331A (en) * | 2013-10-18 | 2014-01-15 | 柳州市双铠工业技术有限公司 | Centrifugal pump |
| CN204213042U (en) * | 2014-09-18 | 2015-03-18 | 江苏大学 | A kind of ultra-low specific speed double shrouded wheel |
| CN105134645A (en) * | 2015-09-01 | 2015-12-09 | 兰州理工大学 | Impeller and centrifugal pump provided with same |
| CN205503473U (en) * | 2016-04-12 | 2016-08-24 | 苏州百硕自动化环保设备有限公司 | Impeller blade adjustable liquid -solids handling centrifugal pump impeller |
-
2016
- 2016-04-12 CN CN201610224313.4A patent/CN105715552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007131658A1 (en) * | 2006-05-11 | 2007-11-22 | Wilo Ag | Radial centrifugal pump with blades which are variable according to the rotational direction |
| CN103511331A (en) * | 2013-10-18 | 2014-01-15 | 柳州市双铠工业技术有限公司 | Centrifugal pump |
| CN204213042U (en) * | 2014-09-18 | 2015-03-18 | 江苏大学 | A kind of ultra-low specific speed double shrouded wheel |
| CN105134645A (en) * | 2015-09-01 | 2015-12-09 | 兰州理工大学 | Impeller and centrifugal pump provided with same |
| CN205503473U (en) * | 2016-04-12 | 2016-08-24 | 苏州百硕自动化环保设备有限公司 | Impeller blade adjustable liquid -solids handling centrifugal pump impeller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648969A (en) * | 2020-06-10 | 2020-09-11 | 湖北众堃科技股份有限公司 | Non-blocking fixed submersible sewage pump |
| CN111648969B (en) * | 2020-06-10 | 2021-10-08 | 湖北众堃科技股份有限公司 | Non-blocking fixed submersible sewage pump |
| CN115539427A (en) * | 2022-10-24 | 2022-12-30 | 中国水产科学研究院渔业机械仪器研究所 | Adjustable fish sucking pump impeller testing device |
| CN115539427B (en) * | 2022-10-24 | 2024-05-24 | 中国水产科学研究院渔业机械仪器研究所 | Adjustable fish suction pump impeller test device |
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| Publication number | Publication date |
|---|---|
| CN105715552B (en) | 2018-10-16 |
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